SUBARU 84001AG52B Fuel Filler Neck Gas Cap

( Manufacturer Part Number: 84001AG52B ), ( Part Type: Fuel Filler Cap ), ( Id: 939cfa60-8220-4432-9076-c91ced7f2961 ), ( Interchange: 179-cpi )

Review SUBARU Fuel Filler Neck Assembly Gas Cap Oem fits OUTBACK LEGACY 2005–2009

The **Subaru 84001AG52B Fuel Filler Neck and Gas Cap** is a precision-engineered component designed specifically for the **2005 2009 model year Subaru Outback**, ensuring a secure and reliable fueling experience while maintaining the vehicle s original functionality and aesthetic. This high-quality replacement part is crafted to exact specifications, matching the original equipment manufacturer (OEM) dimensions, thread pitch, and sealing mechanisms, which guarantees a perfect fit without compromising the integrity of the fuel system. The fuel filler neck is constructed from durable, corrosion-resistant materials, including reinforced plastic and metal components, to withstand the harsh conditions of frequent fueling, exposure to environmental elements, and the mechanical stress of repeated use. The accompanying gas cap features a robust locking mechanism, often with a tamper-evident seal, designed to prevent unauthorized access and reduce fuel vapor emissions, adhering to modern automotive emissions standards.

Beyond its functional reliability, this part is engineered to preserve the Outback s distinctive design language, with a sleek, aerodynamic profile that seamlessly integrates into the vehicle s bodywork. The fuel filler neck is designed to accommodate the Outback s unique fuel tank configuration, ensuring proper alignment and a snug connection to the tank s inlet, which minimizes the risk of leaks or fuel spills. The gas cap, meanwhile, is equipped with a user-friendly grip and a secure latch, allowing for easy installation and removal while maintaining a tight seal to prevent fuel odors and potential contamination. Whether used in a replacement scenario following wear and tear, an upgrade for enhanced performance, or as part of a routine maintenance routine, this fuel filler neck and gas cap combination delivers both practical performance and long-term durability, ensuring that your Subaru Outback continues to operate at its best.

### Pros and Cons of Buying a 2005-2009 Subaru Outback Fuel Filler Neck (Part # 84001AG52B) and Gas Cap

1. **Direct Fitment** This part is specifically designed for the 2005-2009 Subaru Outback, ensuring compatibility without modifications. It will fit seamlessly into the fuel system without the need for adapters or customization.

2. **Reliability** Subaru s fuel system components are generally durable, and a genuine or high-quality aftermarket part like this one should function reliably if installed correctly. The fuel filler neck is a critical component that, when in good condition, prevents fuel leaks, spills, and improper fuel flow.

3. **Prevents Fuel Spills and Contamination** A damaged or worn fuel filler neck can lead to fuel leaks, spills, or even debris entering the fuel tank, which can damage the fuel pump or clog the system. Replacing it ensures a proper seal and prevents these issues.

4. **Improves Fuel System Efficiency** A well-functioning filler neck allows for smooth fuel flow into the tank, reducing the risk of fuel starvation or irregular fuel delivery to the engine.

5. **Prevents Vapor Loss** The gas cap (if included or replaced separately) works in tandem with the filler neck to maintain proper fuel vapor pressure, reducing evaporative emissions and potential fuel loss.

6. **Cost-Effective Maintenance** Replacing a worn or damaged filler neck is a relatively inexpensive repair compared to larger fuel system failures (e.g., a failed fuel pump or contaminated fuel tank).

7. **Easy Installation** This part is designed for straightforward replacement, typically requiring only basic tools. Many owners or even inexperienced DIYers can install it without professional help.

8. **Availability of Genuine and Aftermarket Options** Since this is a common Subaru part, you ll have access to both OEM (original equipment manufacturer) replacements and reputable aftermarket brands, allowing you to choose based on budget and quality preferences.

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1. **Potential for Counterfeit Parts** If purchasing from an unknown seller (especially online), there is a risk of receiving a counterfeit or low-quality part. Counterfeit parts may fail prematurely or not fit correctly, leading to further issues.

2. **Labor Costs if Professional Installation is Needed** While the part itself is affordable, if you choose to have it installed by a mechanic, labor costs could add up, especially if the job requires additional work (e.g., cleaning the fuel tank area or addressing related issues).

3. **Risk of Improper Installation** If not installed correctly, the fuel filler neck could leak, become misaligned, or fail to seal properly. This could lead to fuel spills, vapor leaks, or even damage to the fuel tank or surrounding components.

4. **Accessibility Challenges** The fuel filler neck is located near the fuel tank, which may require lifting the vehicle or removing the rear seat for access. This could be difficult for those without a lift or proper tools.

5. **Potential for Additional Wear** If the fuel tank itself is corroded or damaged, replacing just the filler neck may not fully resolve fuel-related issues. A thorough inspection of the tank and surrounding components may be necessary.

6. **Limited Lifespan of Related Components** Over time, other parts of the fuel system (e.g., fuel lines, fuel pump, or fuel filter) may wear out. Replacing the filler neck is a good preventive measure, but it doesn t address the overall health of the fuel system.

7. **Environmental and Safety Concerns** Fuel is highly flammable, and working with it requires caution. Improper handling during installation could pose safety risks, such as spills or fumes.

8. **Part Availability Over Time** While this part is still widely available, older vehicle models may eventually see reduced availability of OEM parts. Aftermarket options should continue to be accessible, but it s wise to purchase spares if you plan to keep the vehicle long-term.

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Replacing the fuel filler neck (part # 84001AG52B) on a 2005-2009 Subaru Outback is a practical and often necessary maintenance task. The benefits such as preventing fuel leaks, improving fuel system efficiency, and avoiding more costly repairs far outweigh the drawbacks, provided the part is genuine and installed correctly. The main risks stem from purchasing low-quality parts or improper installation, which can be mitigated by buying from reputable suppliers and following proper installation procedures.

If you re experiencing symptoms like fuel spills, difficulty filling the tank, or a noticeable odor of fuel, replacing the filler neck is a wise preventive measure. For those comfortable with basic automotive repairs, this is a manageable DIY project. However, if you re unsure about the process, consulting a professional mechanic is advisable to ensure the job is done safely and correctly.

1. **Purchase from a Trusted Source** Buy the part from an authorized Subaru dealer, a reputable auto parts store (e.g., RockAuto, Advance Auto Parts, or O Reilly Auto Parts), or a well-reviewed online retailer. Avoid unknown sellers to avoid counterfeit parts.

2. **Inspect the Fuel System** While replacing the filler neck, take the opportunity to inspect the fuel tank, fuel lines, and gas cap for signs of wear or damage. Address any issues you find to prevent future problems.

3. **Follow Installation Guidelines** Carefully follow the manufacturer s or installation guide s instructions. Ensure the new part is securely seated and sealed to prevent leaks.

4. **Consider Professional Help if Needed** If you re uncomfortable working with fuel or lack the necessary tools, have a mechanic perform the replacement to avoid mistakes.

5. **Keep a Spare Part** If you frequently drive or store your vehicle in environments where the fuel filler neck might be at risk (e.g., rough terrain or exposure to debris), consider keeping a spare on hand.

6. **Monitor for Issues Post-Installation** After replacement, check for any signs of leaks, improper sealing, or fuel-related problems. If issues persist, have the installation rechecked or investigate further.

In summary, replacing the fuel filler neck is a sound investment in the longevity and reliability of your Subaru Outback. With careful attention to part quality and installation, this repair will help maintain your vehicle s fuel system in optimal condition.

Details:

Bean Edition, 2.5i Limited, Limited L.L. This part will fit the following: SUBARU LEGACY/ OUTBACK 05 Legacy; Upper; GT, Limited, Limited i, Outback; R, R L.L. Bean Edition, R VDC Limited XT. Bean Edition XT Limited, SUBARU LEGACY/ OUTBACK 08 Outback; Upper; 2.5i, 2.5i L.L.

Bean Edition, VDC Limited, XT, XT Limited i, SUBARU LEGACY/ OUTBACK 06 Legacy; Upper; 2.5i, spec.B, Outback; 2.5i R, R L.L. Bean Edition, R L.L.

part #: 84001ag52b price

• $170.00

specifications fueltanksysteme:

• for models: Outback, Legacy
• for makes: Subaru
• for years: 2005-2009
• mpn: 84001ag52b
• part type: Fuel Filler Cap
• id: 939cfa60-8220-4432-9076-c91ced7f2961
• interchange: 179-cpi

returns fueltanksysteme:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer fueltanksysteme:

• availability: In Stock
• best offers: True
• quantity: 1
• started: May 21, 2026
• options: Ship-to-home
• sold: 0

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: Used

payments fueltanksysteme:

• credit card: Discover
• other
• wallet: Paypal

shipping fueltanksysteme:

• type: Fixed
• transit: 2-7 Days
• class: Standard
• cost: $0.00
• service: Standard

seller fueltanksysteme:

• rating: 99.6%
• city: Brush, Colorado
• # reviews: 16678

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